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...works for the National Farmers' Union's insurance department, begins a risk survey of Brooksby Agricultural College. Farm risk survey 2 Judy Howell continues her survey. Risk and farm machinery An annual event where enthusiasts come to see historic farming machinery in use. Though fascinating, the machines are clearly much more dangerous than modern equipment. Farming:...

...work out how long it has taken to fall. Mathematics provides a natural medium for rational argument. Given an equation that relates various quantities, the rules of mathematics allow that equation to be re-expressed in a number of different but logically equivalent ways, all of which are valid if the original equation was valid. Given two equations, mathematical reasoning...